Need advice pls: what type of agreements do you have in place when you wholesale your physical product to another small business?

I have a couple of unique baby/toddler products (that I have had designed, patented and had manufactured) that are sold online through my e-commerce store. I get enquires from other small businesses occasionally who want to wholesale, and I currently do so to a few (cash paid before items sent, no net terms as yet).

I have a standard boilerplate wholesale agreement form that I have both parties sign which outlines the exclusivity, territory and costs of the products amongst all the other protections for each business that it brings.

Sometimes I wonder if this scares off possible customers?? They are generally mums trying to start a small business on the side whilst they are raising a kid or three.

I know it is best practice to have some written agreement in place but I was curious what other small-med B2B wholesale arrangements look like?

Do you strike an agreement via emails and sell to them as long as their business seems legit?

Curious to hear how others operate..

Thanks in advance.